Yumeki Uenoyama

as Katsuki Yutaro / Young Katsuki Shintaro (2 episodes)

as Fuji Soujun (2 episodes)

as Young Hasuda Rintaro (9 episodes)

as Young Kaito (3 episodes), as Kaito Goshikida (child) (1 episode)

as [Ogasawara's son] (1 episode)

as Kakei Shota (child) (1 episode)